Dingo\Api\Routing\Router::formatUses PHP Method

    protected function formatUses(array $new, array $old)
    {
        if (isset($old['namespace']) && is_string($new['uses']) && strpos($new['uses'], '\\') !== 0) {
            return $old['namespace'] . '\\' . $new['uses'];
        }
        return $new['uses'];
    }